BR112017020585A2 - projeto de retroalimentação de canal para canais seletivos de frequência - Google Patents

projeto de retroalimentação de canal para canais seletivos de frequência

Info

Publication number
BR112017020585A2
BR112017020585A2 BR112017020585A BR112017020585A BR112017020585A2 BR 112017020585 A2 BR112017020585 A2 BR 112017020585A2 BR 112017020585 A BR112017020585 A BR 112017020585A BR 112017020585 A BR112017020585 A BR 112017020585A BR 112017020585 A2 BR112017020585 A2 BR 112017020585A2
Authority
BR
Brazil
Prior art keywords
channel feedback
channel
arrays
transmission strategies
frequency selective
Prior art date
Application number
BR112017020585A
Other languages
English (en)
Portuguese (pt)
Inventor
Prasad Malladi Durga
Sun Jing
Christian Budianu Petru
Mallik Siddhartha
Wei Yongbin
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112017020585A2 publication Critical patent/BR112017020585A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0452—Multi-user MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0025—Transmission of mode-switching indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028—Formatting
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
BR112017020585A 2015-03-27 2016-03-17 projeto de retroalimentação de canal para canais seletivos de frequência BR112017020585A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562139425P 2015-03-27 2015-03-27
US15/067,932 US9780847B2 (en) 2015-03-27 2016-03-11 Channel feedback design for frequency selective channels
PCT/US2016/022885 WO2016160358A1 (fr) 2015-03-27 2016-03-17 Conception de retour d'informations sur le canal pour canaux sélectifs en fréquence

Publications (1)

Publication Number Publication Date
BR112017020585A2 true BR112017020585A2 (pt) 2018-07-03

Family

ID=56975918

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017020585A BR112017020585A2 (pt) 2015-03-27 2016-03-17 projeto de retroalimentação de canal para canais seletivos de frequência

Country Status (7)

Country Link
US (1) US9780847B2 (fr)
EP (1) EP3275102B1 (fr)
JP (1) JP6337215B2 (fr)
KR (1) KR101879150B1 (fr)
CN (1) CN107408965B (fr)
BR (1) BR112017020585A2 (fr)
WO (1) WO2016160358A1 (fr)

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WO2012148444A1 (fr) * 2011-04-29 2012-11-01 Intel Corporation Système et procédé de commande de canal dans un système de communication sans fil
US9882623B2 (en) * 2014-09-18 2018-01-30 Qualcomm Incorporated Dual thread feedback design for non-orthogonal channels
US10117120B2 (en) 2014-10-28 2018-10-30 Qualcomm Incorporated Channel feedback for non-orthogonal multiple access systems
CN106713192A (zh) * 2015-07-20 2017-05-24 北京三星通信技术研究有限公司 一种多用户数据传输方法和设备
US10348380B1 (en) 2016-06-02 2019-07-09 Marvell International Ltd. Methods and apparatus for singular value decomposition with norm sorting
US10389414B1 (en) * 2016-08-24 2019-08-20 Marvell International Ltd. Methods and apparatus for matrix compensation to prevent rank deficiency
US10397933B1 (en) 2017-01-10 2019-08-27 Marvell International Ltd. Interference cancellation for receivers with multiple antennas
US10574312B2 (en) 2018-02-13 2020-02-25 Nxp Usa, Inc. Apparatus and methods for interference cancellation in multi-antenna receivers
US10804945B1 (en) 2018-06-29 2020-10-13 Nxp Usa, Inc. Apparatus and methods of dynamic interference cancellation for wireless receivers
CN113169764A (zh) 2018-11-27 2021-07-23 艾斯康实验室公司 非相干协作式多输入多输出通信
EP3925181B1 (fr) * 2019-02-14 2023-08-16 Telefonaktiebolaget LM Ericsson (publ) Technique de transmission harq multicouche
CN115699605A (zh) 2020-05-26 2023-02-03 艾斯康实验室公司 干扰感知波束成形
WO2022093988A1 (fr) 2020-10-30 2022-05-05 XCOM Labs, Inc. Groupement et/ou sélection de débit dans des systèmes de communication à entrées et sorties multiples
CN112600773B (zh) * 2020-12-18 2023-01-10 展讯通信（上海）有限公司 信道估计方法及装置、计算机可读存储介质、终端
CN116941203A (zh) * 2021-02-18 2023-10-24 苹果公司 用于稳健的csi反馈的系统和方法
US11997185B2 (en) * 2021-06-23 2024-05-28 Qualcomm Incorporated Demodulator configuration based on user equipment signaling

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US8730877B2 (en) * 2005-06-16 2014-05-20 Qualcomm Incorporated Pilot and data transmission in a quasi-orthogonal single-carrier frequency division multiple access system
KR100819285B1 (ko) * 2006-03-16 2008-04-02 삼성전자주식회사 다중 사용자를 지원하는 다중 안테나 시스템에서의 피드 백 정보 송/수신방법 및 그 시스템
KR101249359B1 (ko) * 2006-08-18 2013-04-01 삼성전자주식회사 다중 입력 다중 출력을 지원하는 직교 주파수 분할 다중화 시스템에서 채널 품질 정보를 송수신하는 방법 및 장치
EP1895680B1 (fr) * 2006-08-31 2019-08-14 Samsung Electronics Co., Ltd. Appareil et procédé de transmission/réception de données dans un système à antennes multiples, et système l'utilisant
US7839945B2 (en) * 2007-03-20 2010-11-23 Nec Laboratories America, Inc. Static and differential precoding codebook for MIMO systems
EP2078443A1 (fr) * 2007-08-31 2009-07-15 Fujitsu Limited Appareil de rétroaction, procédé de rétroaction, appareil de programmation et procédé de programmation
KR101352042B1 (ko) * 2007-10-15 2014-01-15 삼성전자주식회사 다중 입출력 무선통신 시스템에서 다중 사용자 모드를 위한채널 정보 산출 장치 및 방법
US20090238086A1 (en) * 2008-03-19 2009-09-24 Telefonaktiebolaget Lm Ericsson (Publ) Rank Dependent CQI Back-Off
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US20140226735A1 (en) * 2010-04-02 2014-08-14 Interdigital Patent Holdings, Inc. Systems And Methods For HSDPA Multi-User MIMO Operation
CN102468939B (zh) * 2010-11-05 2015-07-08 索尼公司 下行信道反馈信息反馈方法和装置及用户配对方法和装置
CN102811119B (zh) * 2011-06-01 2014-12-10 华为技术有限公司 传输信道信息的方法、设备和系统
WO2013070577A1 (fr) * 2011-11-07 2013-05-16 Motorola Mobility Llc Procédé et appareil de renvoi de données d'état de canal (csi) pour schémas combinés de traitement dans un système de communication à multiplexage par répartition orthogonale en fréquence avec transmission multipoint coordonnée
JP2014131202A (ja) 2012-12-28 2014-07-10 Ntt Docomo Inc 無線基地局、ユーザ端末、無線通信方法、及び無線通信システム
KR102054203B1 (ko) * 2013-01-31 2019-12-10 삼성전자주식회사 다중 입력 및 다중 출력 시스템에서 채널 추정 피드백 방법 및 장치
JP5830478B2 (ja) * 2013-02-06 2015-12-09 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末及び無線通信方法
US9882623B2 (en) 2014-09-18 2018-01-30 Qualcomm Incorporated Dual thread feedback design for non-orthogonal channels
US10117120B2 (en) 2014-10-28 2018-10-30 Qualcomm Incorporated Channel feedback for non-orthogonal multiple access systems

Also Published As

Publication number Publication date
EP3275102B1 (fr) 2019-09-18
WO2016160358A1 (fr) 2016-10-06
US9780847B2 (en) 2017-10-03
JP2018511254A (ja) 2018-04-19
JP6337215B2 (ja) 2018-06-06
KR20170128361A (ko) 2017-11-22
CN107408965A (zh) 2017-11-28
CN107408965B (zh) 2021-05-25
EP3275102A1 (fr) 2018-01-31
KR101879150B1 (ko) 2018-07-16
US20160285525A1 (en) 2016-09-29

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2714 DE 10-01-2023 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.